Nick Carter is a fictional character who began as a pulp fiction private detective and appeared in a variety of formats through the years.
Nick Carter first appeared in a dime novel entitled The Old Detective's Pupil; or, The Mysterious Crime of Madison Square on September 18, 1886. This novel was written by John R. Coryell from a story by Ormond G. Smith, the son of one of the founders of Street & Smith.
In 1915, Nick Carter Weekly became Street & Smith's Detective Story Magazine. In the 1930s, due to the success of The Shadow and Doc Savage, Street & Smith revised Nick Carter as a hero pulp that ran from 1933 to 1936. Novels featuring Carter continued to appear through the 1950s, by which time there was also a popular radio show, Nick Carter, Master Detective, which aired on the Mutual Broadcasting System network from 1943 to 1955

Excerpt
“Mr. Venner, sir?”
“Mr. Venner—yes, certainly. You will find him in his private office—that way,

sir. The door to the right. Venner is in his private office, Joseph, is he not?”
“I don’t think so, Mr. Garside, unless he has just returned. I saw him go out some time ago.”
“Is that so? Wait a moment, young man.”
The young man halted, and then turned back to face Mr. Garside, with an inquiring look in his frank, brown eyes.

[Edit] Attached working file. Sorry for the hassel.

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